CN101755904B - Energy-saving grain drying equipment - Google Patents
Energy-saving grain drying equipment Download PDFInfo
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- CN101755904B CN101755904B CN2010101179006A CN201010117900A CN101755904B CN 101755904 B CN101755904 B CN 101755904B CN 2010101179006 A CN2010101179006 A CN 2010101179006A CN 201010117900 A CN201010117900 A CN 201010117900A CN 101755904 B CN101755904 B CN 101755904B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
Energy-saving grain drying equipment comprises a drying tower, a feeding device, a hot air furnace, an air cooler, horn-like air tanks, a grain discharge device and a base of the tower. The equipment is characterized in that at least three layers of horn-like air tanks are uniformly distributed in each section of the drying tower; the air outlet ends of the horn-like air tank on the lowermost layer are arranged at one side of the drying tower and are connected with a residual heat collection chamber; the residual heat collection chamber is connected with a water-air separator; the horn-like air tank on the lowermost layer is perpendicular to the horn-like air tanks at the upper side thereof; the air inlet ends of the horn-like air tanks on the two adjacent layers at the upper side are respectively arranged at two sides of the drying tower and are connected with a hot air chamber; a hot air inlet of the hot air chamber is connected with the hot air furnace; a cold air inlet is connected with the air cooler; a flue gas dedusting and purifying device connected with a mixing chamber is arranged on the lower part of a heat exchanger; a residual heat recovery chamber is arranged in a furnace body and is communicated with a residual heat heating chamber which is communicated with a heat exchange chamber; and a blast inlet of the air outside the furnace and a separated air outlet are arranged at the bottom of a flue gas furnace grate. The equipment has the advantages of high efficiency of drying grains, fine quality, small volume, environmental protection, energy saving, etc.
Description
Technical field
The invention belongs to the grain drying equipment technical field, specifically a kind of energy-saving grain drying equipment.
Background technology
The steam that produces in the existing grain drying equipment drying tower does not generally make full use of with the flue gas of hot-blast stove generation, causes the waste of heat energy and to the pollution of environment, its reason is: the steam water content is excessive, can not be used further to drying grain; Contain a large amount of poisonous and harmful substances in the flue gas, can not be used for drying grain equally.For China the Northeast cold winter when using grain drying equipment; Outer temperature is low, air humidity is generally 50%; Because the simple hot blast temperature that is lifted into tower of traditional structure grain drying equipment; The heated-air drying grain time that humidity is high, long coal consumption was big, and cold coal internal-external temperature difference when getting into fire grate is big simultaneously, keeps furnace temperature and consumes energy higher naturally.
Summary of the invention
The purpose of this invention is to provide the energy-saving grain drying equipment that a kind of steam is fully recycled.
The objective of the invention is to realize like this: it includes drying tower, drying tower feed arrangement, hot-blast stove, air-cooler, drying tower bottom delivery device and the tower seat of being made up of grain storage section, oven dry section, delay section, cooling section; Wherein be evenly equipped with the horn shape air drain that layering is provided with in the drying tower; It is characterized in that: be uniformly distributed with at least in each workshop section of drying tower and be provided with three layers of horn shape air drain; Wherein undermost horn shape air drain outlet side all is connected in drying tower one side and with waste heat collection chamber in each workshop section; This waste heat is gathered the chamber and is connected with moisture separator through utilidor; Undermost horn shape air drain is vertical with the horn shape air drain of its upside in each workshop section; The inlet end of undermost horn shape air drain upside adjacent two layers horn shape air drain is connected in the drying tower both sides and with the hot blast chamber respectively in each workshop section, and the hot-wind inlet of this hot blast chamber is connected with hot-blast stove, cold air inlet links to each other with air-cooler; The heat exchanger bottom of the Heat Room of said hot-blast stove is provided with the flue-gas dust removal and purification device that connects mixing chamber; In the body of heater of fire grate upside, be provided with the waste heat recovery chamber that is communicated with moisture separator near coal feed point; The waste heat recovery chamber is communicated with the waste heat heating clamber that has flue through the water back that is arranged in the combustion chamber; The waste heat heating clamber is communicated with Heat Room, the divided gas flow outlet that also is provided with stove outer air blast entrance and is communicated with moisture separator in flue gas fire grate bottom.
Described drying tower feed arrangement is the two-stage hoisting device.
Described tower seat is a pipe column type tower seat.
Be provided with the separation of air guide plate in the said waste heat heating clamber.
Also be provided with the ash discharge guide plate at the fire grate downside
Each workshop section's orlop horn shape air drain of the present invention is the humidity discharging layer; Because gathering the chamber with waste heat, this horn shape air drain outlet side is connected; So the steam that produces during humidity discharging is recovered to moisture separator through utilidor; The hot-air that behind separating and dehydrating, obtains is divided into two parts, and a part is to get into the cold coal preheating of fire grate and supply the consumption of combustion chambers burn required air through the divided gas flow outlet, and another part entering waste heat recovery chamber is used to form the required heated dry air of oven dry grain for getting into drying tower once more; The inlet end of undermost horn shape air drain upside adjacent two layers horn shape air drain is connected in the drying tower both sides and with the hot blast chamber respectively in each workshop section; So just make in each workshop section the above adjacent two layers horn shape of undermost horn shape air drain air drain airintake direction in opposite directions; And be a side direction opposite side by drying tower; To the diffusion of grain layer, its drying effect is good, blast is low from horn shape air drain open lower side for the gas that gets into; The hot-air that the heated dry air that gets into drying tower is separated by the recovery through the heat exchanger heat exchange and the flue gas of udst separation are formed, and make full use of the energy, and the humidity of this heated dry air can reach 0～10%; Because flue gas is arranged to atmosphere after udst separation, helps environmental protection.Steam also carries out preheating to the cold coal that just gets into fire grate in the recycling process, can make coal-fired fully burning in fire grate, improves the effect joint of hot-blast stove, has economized coal-fired use amount, has reduced production cost.The volume of drying tower of the present invention is merely 60% of traditional drying tower, has significantly reduced manufacturing cost.The present invention also possesses advantages such as floor space is little, simple to operate, drying grain efficient high-quality is good.
Description of drawings
Fig. 1 is a broken section structural representation sketch of the present invention.
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 be among Fig. 1 hot-blast stove analyse and observe the structure for amplifying sketch map.
To combine accompanying drawing the present invention to be done further explain below, but following instance only is the present invention's example wherein through instance, the rights protection scope of not representing the present invention and being limited, rights protection scope of the present invention is as the criterion with claims.
The specific embodiment
Shown in Fig. 1-4; Primary structure of the present invention includes it and includes the drying tower of being made up of grain storage section, oven dry section, delay section, cooling section 1, and drying tower feed arrangement, this feed arrangement comprise conveyer 14, elementary elevator 15, receiving sieve 16 and two-stage hoisting machine 17; Hot-blast stove 6; Air-cooler 3, drying tower bottom four impeller mechanism delivery devices and pipe column type tower seat 8 are uniformly distributed with in each workshop section of drying tower and are provided with three layers of horn shape air drain; Wherein undermost horn shape air drain 2 outlet sides all are connected in drying tower one side and with waste heat collection chamber 10 in each workshop section; This waste heat is gathered the chamber and is connected with moisture separator 5 through utilidor 9, and undermost horn shape air drain 2 is vertical with horn shape air drain 2a, the 2b of its upside in each workshop section, and the inlet end of the two-layer horn shape air drain of undermost horn shape air drain upside 2a, 2b is connected in the drying tower both sides and with hot blast chamber 11 respectively in each workshop section; The hot-wind inlet 12 and the hot-blast stove of this hot blast chamber connect 6 and connect, and cold air inlet 13 links to each other with air-cooler 3; Hot-blast stove includes body of heater, fire grate 28, coal feed point 25, coal feeding bucket 24, ashpit 26, heat exchanger 18, air-heater 7; Heat exchanger 18 bottoms of the Heat Room of hot-blast stove are provided with the flue-gas dust removal and purification device 30 of the connection that connects mixing chamber; In the body of heater of fire grate 28 upsides, be provided with the waste heat recovery chamber 23 that is communicated with moisture separator 5 near coal feed point 25; Waste heat recovery chamber 23 is communicated with the waste heat heating clamber that has flue 20 through the water back 22 that is arranged in the combustion chamber; The waste heat heating clamber is communicated with Heat Room, the divided gas flow outlet 29 that also is provided with stove outer air blast entrance 19 in flue gas fire grate 28 bottoms and is communicated with moisture separator 5.
In order to promote the pre-heat effect of separation of air in the waste heat heating clamber, in the waste heat heating clamber, be provided with separation of air guide plate 21.Also be provided with ash discharge guide plate 27 at the fire grate downside, this ash discharge guide plate is higher than the near-end of ashpit with respect to the far-end of ashpit, and is very convenient during the cleaning coal ash.
During work; Grain gets into drying tower 1 through conveyer 14, elementary elevator 15, receiving sieve 16 and two-stage hoisting machine 17, and grain is piled up in the crack between adjacent horn shape air drain, and fire grate transmission fire coal drops on the fire grate 28 from coal feeding bucket 24; Get in the hot-blast furnace body through coal feed point 25; Air gets into combustion-supporting from stove outer air air inducing inlet 19, its inlet is decided as required, and the coal-fired flue gas that produces at first gets into flue 20 through the combustion chamber upside; Get into again in the heat exchanger tube of heat exchanger 18; Flue gas in the heat exchanger leads to flue-gas dust removal and purification device 30 downwards, and the flue gas in dedusting and purifying device after the udst separation is introduced mixing chamber 4 through the flue gas recirculation blower fan, gets into the mixing chamber gas flow by balanced valve 31 controls; When gas flow was abundant in the mixing chamber 4, gas unnecessary under the effect of air pressure was arranged to atmosphere through the flue gas recirculation blower fan.
Separation of air in the moisture separator 5 is divided into two parts: a part is to get into the cold coal preheating of fire grate and supply the consumption of combustion chambers burn required air through divided gas flow outlet 29, and its gas flow direction is shown in solid arrow among Fig. 4; Another part gets into waste heat recovery chamber 23; 23 get into water back 22 from the waste heat recovery chamber; In water back 22, carry out further dry and heating, the flue gas that gets in waste heat heating clamber and the flue 20 from water back 22 carries out getting into Heat Room after the heat exchange, and its gas flow direction is shown in dash-dot arrows among Fig. 4; In Heat Room and the stove outer air between heat exchanger 18 pipe once more after the heat exchange mixing chamber 4 in the flue gas formation heated dry air of udst separation, blasted in the drying tower by air-heater.Because the inlet end of two-layer horn shape air drain is connected in the drying tower both sides and with ventilation shaft respectively in each workshop section; So this two-layer airintake direction in opposite directions; And be the side direction opposite side by drying tower, to the diffusion of grain layer, its drying effect is good, blast is low from horn shape air drain open lower side for the gas of entering.Undermost horn shape air drain goes out 2 gas ends and all is connected in drying tower one side and with waste heat collection chamber 10; The steam that produces in the drying tower gets into waste heat and gathers the chamber; Get into moisture separator 5 through utilidor 9 again, obtain divided gas flow after in moisture separator, anhydrating in order to recycling.Through the cold air inlet 11 places cooling of being lowered the temperature in the drying tower bottom of dried grain, drying tower is discharged by four impeller mechanism delivery devices in the cooling back, accomplishes whole drying process process.Realized the object of the invention in sum.
Claims (5)
1. energy-saving grain drying equipment; It includes drying tower, drying tower feed arrangement, hot-blast stove, air-cooler, drying tower bottom delivery device and the tower seat of being made up of grain storage section, oven dry section, delay section, cooling section; Wherein be evenly equipped with the horn shape air drain that layering is provided with in the drying tower; It is characterized in that: be uniformly distributed with at least in each workshop section of drying tower and be provided with three layers of horn shape air drain; Wherein undermost horn shape air drain outlet side all is connected in drying tower one side and with waste heat collection chamber in each workshop section; This waste heat is gathered the chamber and is connected with moisture separator through utilidor; Undermost horn shape air drain is vertical with the horn shape air drain of its upside in each workshop section, and the inlet end of undermost horn shape air drain upside adjacent two layers horn shape air drain is connected in the drying tower both sides and with the hot blast chamber respectively in each workshop section, and the hot-wind inlet of this hot blast chamber is connected with hot-blast stove, cold air inlet links to each other with air-cooler; The heat exchanger bottom of the Heat Room of said hot-blast stove is provided with the flue-gas dust removal and purification device that connects mixing chamber; In the body of heater of fire grate upside, be provided with the waste heat recovery chamber that is communicated with moisture separator near coal feed point; The waste heat recovery chamber is communicated with the waste heat heating clamber that has flue through the water back that is arranged in the combustion chamber; The waste heat heating clamber is communicated with Heat Room, the divided gas flow outlet that also is provided with stove outer air blast entrance and is communicated with moisture separator in flue gas fire grate bottom.
2. energy-saving grain drying equipment according to claim 1 is characterized in that: described drying tower feed arrangement is the two-stage hoisting device.
3. energy-saving grain drying equipment according to claim 1 is characterized in that: described tower seat is a pipe column type tower seat.
4. energy-saving grain drying equipment according to claim 1 is characterized in that: be provided with the separation of air guide plate in the said waste heat heating clamber.
5. energy-saving grain drying equipment according to claim 1 is characterized in that: also be provided with the ash discharge guide plate at the fire grate downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101179006A CN101755904B (en) | 2010-03-05 | 2010-03-05 | Energy-saving grain drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101179006A CN101755904B (en) | 2010-03-05 | 2010-03-05 | Energy-saving grain drying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101755904A CN101755904A (en) | 2010-06-30 |
| CN101755904B true CN101755904B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101179006A Expired - Fee Related CN101755904B (en) | 2010-03-05 | 2010-03-05 | Energy-saving grain drying equipment |
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| CN (1) | CN101755904B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105285093A (en) * | 2015-11-05 | 2016-02-03 | 临沂金铭机械有限公司 | Grain tempering and drying device |
| CN105546966B (en) * | 2015-12-31 | 2018-03-23 | 中国科学院理化技术研究所 | A kind of dry fruit continous way heat pump drying system |
| CN106212671A (en) * | 2016-08-18 | 2016-12-14 | 太仓市冠东机械科技有限公司 | A kind of tower grain drier |
| CN107830720A (en) * | 2017-11-25 | 2018-03-23 | 圣火科技(河南)有限责任公司 | One kind is provided multiple forms of energy to complement each other wind and water combined drying device and method |
| CN108344175A (en) * | 2017-12-23 | 2018-07-31 | 云南乾程科技开发有限公司 | A kind of method that combustion furnace smoke heat energy complete utilization obtains hot wind |
| CN108450993A (en) * | 2017-12-23 | 2018-08-28 | 云南乾程科技开发有限公司 | A kind of thermal energy complete utilization tobacco curing barn |
| CN109855415B (en) * | 2019-04-01 | 2023-11-24 | 青岛创客机械设备制造有限公司 | High-temperature energy-saving vertical drying device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201709305U (en) * | 2010-03-05 | 2011-01-19 | 铁岭粮食烘干设备研究所 | Energy-saving grain drying equipment |
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2010
- 2010-03-05 CN CN2010101179006A patent/CN101755904B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201709305U (en) * | 2010-03-05 | 2011-01-19 | 铁岭粮食烘干设备研究所 | Energy-saving grain drying equipment |
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| CN101755904A (en) | 2010-06-30 |
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Granted publication date: 20120704 Termination date: 20140305 |